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135600808940 = 225157181238591
BaseRepresentation
bin111111001001001110…
…0000010001111101100
3110222000020211211002222
41332102130002033230
54210202301341230
6142143311534512
712540212600252
oct1762234021754
9428006754088
10135600808940
1152565137853
122234452a438
13ca3035326c
1467c52845d2
1537d98e76e5
hex1f927023ec

135600808940 has 48 divisors (see below), whose sum is σ = 288159965184. Its totient is φ = 53596857600.

The previous prime is 135600808921. The next prime is 135600808943. The reversal of 135600808940 is 49808006531.

It is a junction number, because it is equal to n+sod(n) for n = 135600808891 and 135600808900.

It is not an unprimeable number, because it can be changed into a prime (135600808943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449045 + ... + 687635.

It is an arithmetic number, because the mean of its divisors is an integer number (6003332608).

Almost surely, 2135600808940 is an apocalyptic number.

135600808940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135600808940 is an abundant number, since it is smaller than the sum of its proper divisors (152559156244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135600808940 is a wasteful number, since it uses less digits than its factorization.

135600808940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238938 (or 238936 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 135600808940 in words is "one hundred thirty-five billion, six hundred million, eight hundred eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 157 181 314 362 628 724 785 905 1570 1810 3140 3620 28417 56834 113668 142085 238591 284170 477182 568340 954364 1192955 2385910 4771820 37458787 43184971 74917574 86369942 149835148 172739884 187293935 215924855 374587870 431849710 749175740 863699420 6780040447 13560080894 27120161788 33900202235 67800404470 135600808940